Specification	Detail
Model	4BYH-3.25
Working Width	3,250 mm
Row Configuration	5-row
Mounting	Suspension-mounted
PTO Drive	540 r/min rear PTO
Power Required	103–132 kW
Productivity	1.95–3.25 ha/hr
Operation	5-row undercut, lift, windrow

Reducing Soybean Harvest Losses Through Mechanical Vine Preparation

Soybean and dry bean harvest losses from direct combine harvesting are well-documented: pods that shatter on contact with the combine header, vines that tangle in the header mechanism, and uneven plant-down across the field all contribute to yield loss that ranges from 3–8% on average but can exceed 15% in poor conditions. The Ever-Power 4BYH-3.25 addresses these losses at the source by preparing the vines before combine harvesting — undercutting roots, lifting the entire plant, and laying it in a windrow to dry in the field before the combine follows.

The spring tine pick-up system on the 4BYH-3.25 gently undercuts the vine's root system at a depth that lifts the plant without tearing or severing the pods from the vine. The intact vine — roots, stems, and pods still connected — is laid in a windrow that allows the remaining pod moisture to equalise and the pod walls to firm up over 24–48 hours before the combine harvests the windrow. This process consistently reduces pod shatter during combine operation and improves harvest efficiency through the better-formed windrow geometry.

5-Row Simultaneous Coverage: 3,250mm Working Width

The 4BYH-3.25 aligns to 5 standard soybean rows with a 3,250 mm working width, harvesting 5 rows simultaneously in a single pass. The spring tine configuration is calibrated for the stem spacing and root depth typical of soybean cultivation across Argentine and global production systems. PTO drive at 540 r/min transmits the necessary power to the pick-up mechanism through the standard rear PTO connection available on all compatible tractors.

Productivity of 1.95–3.25 hectares per hour under standard field conditions provides the throughput rate required to process a full harvest programme within the timing constraints of the harvest window. Positioned between the 4-row and 6-row models, the 4BYH-3.25's 1.95–3.25 ha/hr productivity suits operations of 150–500 hectares of annual soybean where the 4-row has become the throughput bottleneck but the 6-row's tractor power requirement represents an unnecessary capital step.

Field Drying and Windrow Formation

After the 4BYH-3.25 passes through the field, the vines are arranged in uniform windrows that allow air circulation around the lifted material. The windrow height and density are influenced by operating speed and crop density — slower speeds create taller, denser windrows; faster speeds produce lower, airier arrangements. The operator can adjust operating speed within the 540 r/min PTO speed constraint to optimise windrow formation for their combine's pick-up characteristics and the drying conditions on the day.

Under typical Argentine harvest conditions, 24–48 hours of windrow drying after undercutting is sufficient to firm pod walls to the point where combine harvesting losses are minimised. In humid conditions or with high-moisture crops, 48–72 hours may be appropriate. The key indicator is pod wall firmness — they should resist cracking under gentle finger pressure before the combine enters the windrow.

Frequently Asked Questions

How does the 4BYH-3.25 compare to the 6-row 4BYHD/4BYHS-3.9?

Contact [email protected] with your planting row spacing and tractor model. We will confirm compatibility and advise on any setting adjustments required for your specific configuration.

Can the machine handle other legume crops beyond soybean?

Yes. The spring tine pick-up design is suitable for dry edible beans, snap beans, and other climbing legume crops with similar stem and root characteristics to soybean. Contact us to discuss compatibility with specific legume varieties.

What combine header pick-up width is compatible with the windrow produced?

The windrow width produced depends on operating speed and crop density. Most Argentine combine headers from 4–9 metres can harvest the windrow format produced by this machine. Contact us if you need specific windrow width information for your combine model.

Manufacturer Credentials: Why Ever‑Power

Ever‑Power Forage Baler S.A. is the Argentine entity of an ISO 9001:2015‑certified manufacturer holding over 100 registered technology patents and National High‑Tech Enterprise recognition (Certificate GR202315000192). Two consecutive years of market leadership in the suspended 5-row bean harvester category, AAA Credit Enterprise rating, and the AGMA Best Innovation Award 2023 provide independently verified performance and quality credentials. All certifications are available on request for buyer verification.

Our 32,000 m² production facility operates two dedicated production lines producing over 2,000 units annually. CNC laser cutting, robotic welding, and electrostatic coating are standard production processes on every unit. The 4BYH-3.25 5-Row Soybean Harvester benefits from the same production standards and quality controls as every other machine in the range.

Agronomic and Operational Fit

The 4BYH-3.25 5-Row Soybean Harvester is designed for operations requiring 5-row vine preparation for expanding operations capability with 103–132 kW tractor power. Across Argentine agricultural regions, this covers:

• Buenos Aires Province: High‑rainfall improved pasture systems where 3,250mm 5-row alignment bale format suits local handling and storage infrastructure.
• Córdoba Province: Mixed cropping systems where 5-row vine preparation for expanding operations handling requirements align with the seasonal rotation of this region.
• Santa Fe and Entre Ríos: Intensive livestock and dairy systems where scalable capacity between 4-row and 6-row for growing operations is a primary operational requirement.
• Patagonia and arid zones: Extensive operations where reliable, low‑maintenance equipment is essential due to limited service infrastructure.

Total Cost of Ownership

Purchase price is only the first cost. Annual maintenance on the 4BYH-3.25 5-Row Soybean Harvester typically represents 2–4% of purchase price — a range that reflects the reduced maintenance requirements of the camless and axial‑flow design elements where applicable. Downtime cost during peak harvest is reduced by the blockage‑resistance feeding design. Residual value is supported by ISO‑certified build quality and verifiable manufacturer credentials that informed second‑hand buyers recognise.

Contact [email protected] for a 5‑year total cost of ownership comparison for the 4BYH-3.25 5-Row Soybean Harvester versus alternatives you are evaluating. We provide this analysis for buyers who request it as part of the quotation process.

Seasonal Integration and Operating Calendar

The 4BYH-3.25 5-Row Soybean Harvester's place in your annual operational calendar depends on its specific application. For primary hay and forage equipment, the peak use period is September through April in Argentina's agricultural zones. Pre‑season preparation in August — maintenance inspection, parts pre‑ordering, operator familiarisation — ensures the machine is ready when the season begins.

Off‑season storage should be in covered or semi‑covered conditions. Clean all crop debris from the machine before storage — accumulated organic material retains moisture and accelerates corrosion at contact points. Park with pick‑up in the raised position to relieve pressure on the tine carrier springs. Cover PTO shaft ends to prevent moisture and grit ingress into the shaft splines during storage.

Pre‑Purchase Qualification Checklist

Before placing an order for the 4BYH-3.25 5-Row Soybean Harvester, confirm the following with your farming or operating team:

• Your tractor produces at least 103–132 kW at the PTO — confirm against your tractor's rated specification
• Your annual operational requirement for suspended 5-row bean harvester services justifies the capital investment at current prices
• Your storage and handling infrastructure is compatible with the bale format produced by this machine (3,250mm 5-row alignment)
• Your operating location has adequate service access — either via our Buenos Aires team or via acceptable road freight for parts supply
• Your seasonal calendar provides adequate operating time to achieve target return on investment from the machine

If any of these items cannot be confirmed, contact our team before ordering — we will help identify the correct machine or configuration for your situation.

5-Row Operating Profile

The 4BYH-3.25's 5-row coverage at 3,250 mm bridges the gap between 4-row mid-scale machines and 6-row commercial-scale alternatives. For operations with 120–130 HP tractors that need throughput above what the 4-row 4BYH-2.6 delivers but cannot justify the 180–200 HP tractor required for the 6-row 4BYHD/4BYHS-3.9, the 4BYH-3.25 is the appropriate intermediate configuration.

At 7–9 km/h operating speed with 3,250 mm working width, the machine covers approximately 3.2–4.4 hectares per hour. The suspension-mounting provides stable operation across the wider 3,250 mm working width — geometry that drawbar-mounted alternatives cannot match at this width. For growing operations that have moved beyond mid-scale equipment but are not yet at commercial scale, the 4BYH-3.25 provides scalable capacity matched to the intermediate tractor class.

Manufactured to International Standards

Every component leaves a 32,000 m² ISO9001:2015 certified facility, processed through CNC laser cutting, robotic welding lines, and electrostatic coating for corrosion-resistant finish.